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INCOME TAX | 12 Months Ended
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Dec. 31, 2022
Income Tax Disclosure [Abstract] |
INCOME TAX | NOTE 7 - INCOME TAX
A. | Corporate tax rate
| 1) | Ordinary taxable income in Israel is subject to a corporate tax rate of 23%.
| 2) | The Company’s subsidiary Entera Bio, Inc. is taxed separately under the U.S. tax laws at a tax rate of 29% (Federal and state tax)
B. | Losses for tax purposes carried forward to future years
| The balance of carryforward losses as of December 31, 2022 and 2021 are approximately $67.1 million and $56.1 million, respectively.
| Under Israeli tax law, tax loss carry forward have no expiration date.
C. | Tax assessments
| The Company and its subsidiary have tax assessments that are considered to be final through tax year 2017.
D. | Loss (income) before income taxes is composed of the following
|  | Year ended December 31 |
|  | 2022 |  |  | 2021 |
Entera Bio Ltd. |  |  | 12,997 |  |  |  | 12,362 |
Entera Bio Inc. |  |  | (65 | ) |  |  | (116 | )
Total loss before taxes |  |  | 12,934 |  |  |  | 12,246 |
E. | Income tax expense (benefit):
|  | Year ended December 31 |
|  | 2022 |  |  | 2021 |
Current: |  |  |  |  |  |
Subsidiary: |  |  | (37 | ) |  |  | 158 |
Total current income tax |  |  | (37 | ) |  |  | 158 |
Deferred income taxes |  |  | 174 |  |  |  | (217 | )
Total deferred income taxes |  |  | 174 |  |  |  | (217 | )
Total income tax expense (benefit) |  |  | 137 |  |  |  | (59 | )
F. | Deferred income taxes
|  | December 31, |
|  | 2022 |  |  | 2021 |
Deferred tax assets: |  |  |  |  |  |
Net operating loss carry forward |  |  | 15,428 |  |  |  | 12,895 |
Research and development |  |  | 1,225 |  |  |  | 1,319 |
Share-based compensation |  |  | 877 |  |  |  | 876 |
Other |  |  | 158 |  |  |  | 152 |
Net deferred tax assets before valuation allowance |  |  | 17,688 |  |  |  | 15,242 |
Valuation allowance |  |  | (17,645 | ) |  |  | (15,025 | )
Net deferred tax assets |  |  | 43 |  |  |  | 217 |
| The Company has classified the net deferred tax assets as long-term. In assessing the likelihood of realizing deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences and carry forward losses become deductible. Based on the taxable loss in the Israel, management believes it was more likely than not that the deferred tax assets will not be realized in the Israel and believes it was more likely than not that deferred tax assets will be realized for the U.S. subsidiary.
G. | Rollforward of valuation allowance:
Balance at January 1, 2021 |  | 12,420 |
Additions |  | 2,605 |
Balance at January 1, 2022 |  | 15,025 |
Additions |  | 2,620 |
Balance at December 31, 2022 |  | 17,645 |
H. | Reconciliation of theoretical tax expenses to actual expenses
The primary difference between the statutory tax rate of the Company and the effective rate results virtually from the changes in valuation allowance in respect of carry forward tax losses and research and development expenses due to the uncertainty of the realization of such tax benefits.
I. | Uncertain tax positions
As of December 31, 2022 and 2021, the Company does not have a provision for uncertain tax positions.

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